| Server IP : 192.158.238.246 / Your IP : 3.23.94.64 Web Server : LiteSpeed System : Linux uniform.iwebfusion.net 4.18.0-553.27.1.lve.1.el8.x86_64 #1 SMP Wed Nov 20 15:58:00 UTC 2024 x86_64 User : jenniferflocom ( 1321) PHP Version : 8.1.32 Disable Function : NONE MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : ON | Sudo : OFF | Pkexec : OFF Directory : /opt/alt/python37/lib64/python3.7/site-packages/Crypto/Random/__pycache__/ |
Upload File : |
B
q~�^s � @ s� d Z dZdddddddgZd d
lmZ d d lZejd d krRejd
d
krRd dlT G dd� de�Z e � Z
e
j Z e
j Z e
j
Z
e
jZe
jZe
jZd dlmZmZmZmZ d S )zHA cryptographically strong version of Python's standard "random" module.z$Id$� StrongRandom� getrandbits� randrange�randint�choice�shuffle�sample� )�RandomN� � )�*c @ sF e Zd Zddd�Zdd� Zdd� Zdd � Zd
d � Zd d
� Zdd� Z dS )r Nc C sV |d kr|d krd | _ n:|d k r0|d kr0|| _ n"|d krJ|d k rJ|j| _ ntd��d S )Nz(Cannot specify both 'rng' and 'randfunc')� _randfunc�read�
ValueError)�self�rngZrandfunc� r �G/opt/alt/python37/lib64/python3.7/site-packages/Crypto/Random/random.py�__init__$ s
zStrongRandom.__init__c C s: | j dkrt�� j| _ d|> d }|t| � t|d���@ S )z0Return a python long integer with k random bits.Nr � )r
r �newr �
bytes_to_long�ceil_div)r �k�maskr r r r . s
zStrongRandom.getrandbitsc G s� t |�dkr|\}}}nHt |�dkr2|\}}d}n.t |�dkrN|\}d}d}ntdt |�f ��t|t�r~t|t�r~t|t�s�td��|dkr�td��t|| |�}|dk r�d}|dk r�td|||f ��|}x||kr�| �t|��}q�W ||| S ) zkrandrange([start,] stop[, step]):
Return a randomly-selected element from range(start, stop, step).� r
r r z.randrange expected at most 3 arguments, got %dz$randrange requires integer argumentsz(randrange step argument must not be zeroz%empty range for randrange(%r, %r, %r))�len� TypeError�
isinstance�intr r r �size)r �args�start�stop�step� num_choices�rr r r r 5 s2
zStrongRandom.randrangec C sJ t |t�rt |t�s td��| �||d �}|| kr@|ksFn t�|S )z0Return a random integer N such that a <= N <= b.z"randint requires integer argumentsr )r r r r �AssertionError)r �a�b�Nr r r r W s
zStrongRandom.randintc C s& t |�dkrtd��|| �t |�� S )zrReturn a random element from a (non-empty) sequence.
If the seqence is empty, raises IndexError.
r zempty sequence)r �
IndexErrorr )r �seqr r r r _ s zStrongRandom.choicec C s: t |�}x,tt|��D ] }|�| �t|���||< qW dS )z Shuffle the sequence in place.N)�list�ranger �popr )r �x�items�ir r r r h s zStrongRandom.shufflec C sp t |�}||krtd��g }i }xJt|�D ]>}d}x |dksD||krP| �|�}q4W |�|| � d||< q*W |S )zNReturn a k-length list of unique elements chosen from the population sequence.z sample larger than populationNr )r r r. r �append)r Z
populationr r% �retvalZselectedr2 r& r r r r r s zStrongRandom.sample)NN)
�__name__�
__module__� __qualname__r r r r r r r r r r r r # s
"
)r r �
long_to_bytesr )�__doc__� __revision__�__all__�Cryptor �sys� version_infoZCrypto.Util.py21compat�objectr Z_rr r r r r r ZCrypto.Util.numberr r r8 r r r r r �<module> s `